It is truly an... interesting world we live in these days. After Audi started an interesting trend with its enhanced exhaust systems for the diesel models of the range, BMW seems to be following suit.

Our vehicles are just like us, if they don't have a chance to breathe, they will die... well, not quite, but their performance, fuel economy, and life span will be dramatically shortened. Typically, ...

When it comes to car mods, exhaust headers are a common place to start. But what exactly makes them different from stock manifolds? Here's what to know.

The 6.6L Duramax diesel is an extremely versatile engine with lots of torque and plenty of durability-as the name would imply. For anyone looking for an excellent tow rig, race truck, or daily driver, ...

Most diesel truck owners are aware of the benefits of a larger exhaust diameter – lower back pressure, lower egts, higher boost, more horse power and more torque. These benefits are even greater when ...

K&N Engineering has expanded its Performance Diesel lineup with new NextGen Air Intake Systems and Dryflow replacement air filters for late-model Ford, GM, and Ram diesel pickups. For Off-Road.com ...

Increasingly stringent diesel engine exhaust emissions regulations have, over the past 20 years, reduced output of nitrogen oxides (NOx) by 95% and particulate emissions by 90% in heavy trucks. These ...

Diesel engines are known for several things. Power and torque are the biggest attractions, but there is another attribute that drivers like. They can rack up a lot of mileage without needing major ...

The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...